Clip for a writing instrument



FIG. 1 is a perspective view as seen from the top, front and right side of a clip for a writing instrument showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof, the right side elevation being a mirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line representations are shown for environmental purposes only and do not constitute a part of the claimed design. 

The ornamental design for a clip for a writing instrument, as shown and described. 